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Syntheses, crystal structures, and electrochemistry of a series of ferrocene-containing ketoimines
Ist Teil von
Journal of coordination chemistry, 2022-06, Vol.75 (5-6), p.764-780
Ort / Verlag
Abingdon: Taylor & Francis
Erscheinungsjahr
2022
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Condensation of ferrocenoylacetone with arylamine or benzylamine in toluene at reflux afforded a series of N,O-bidentate ferrocenoyl enaminone ligands, Fc-C(O)CH = C(CH
3
)N(H)R
1
(HL1: R
1
= C
6
H
5
; HL2: R
1
= 4-I-C
6
H
4
; HL3: R
1
= 4-Cl-C
6
H
4
; HL4: R
1
= 4-Me-C
6
H
4
; HL5: R
1
= 4-OMe-C
6
H
4
; HL6: R
1
= 2-Me-C
6
H
4
; HL7: R
1
= 2-OMe-C
6
H
4
; HL8: R
1
= 2-F-C
6
H
4
; HL9: R
1
= CH
2
C
6
H
5
; Fc = ferrocenyl). Reaction of Cu(CH
3
COO)
2
with two equivalents of HL1, HL3, and HL5-HL8 in the presence of CH
3
ONa in ethanol gave six copper complexes, [Cu(L1)
2
] (1), [Cu(L3)
2
] (2), [Cu(L5)
2
] (3), [Cu(L6)
2
] (4), [Cu(L7)
2
] (5) and [Cu(L8)
2
] (6), respectively. All compounds were characterized by
1
H NMR, FT-IR, and UV-vis spectroscopies along with their electrochemical properties. The molecular structures of HL1-HL3, HL5, HL6, and HL8, together with the copper complexes 2.0.6C
2
H
5
OH and 3.CH
3
OH have been established by single-crystal X-ray diffraction.